Summary:
- This article discusses the discovery of the earliest known ankylosaur fossil, a type of armored dinosaur that lived around 157 million years ago.
- The fossil, found in China, provides insights into the early evolution and origins of ankylosaurs, which were heavily armored plant-eating dinosaurs.
- The discovery helps fill in gaps in the fossil record and sheds light on how these unique dinosaurs developed their distinctive features over time.